Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of year	$ 3,961	$ 3,735	$ 3,530
Balance at end of year	4,749	3,961	3,735
Retirement benefit obligations
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of year	(73)	(19)	(29)
Other comprehensive (loss) income before reclassifications	(55)	(73)	14
Balance at end of year	(116)	(73)	(19)
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Total before income tax	(58)	(73)	14
Income tax provision	(15)	(19)	4
Current period comprehensive income, net of tax	(43)	(54)	10
Amortization of net loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from other comprehensive loss, before tax	(3)	0	0
Interest rate swaps
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of year	0	0	(5)
Other comprehensive (loss) income before reclassifications	1	0	1
Amounts reclassified from other comprehensive loss, before tax	0	0	5
Total before income tax	1	0	6
Income tax provision	0	0	1
Current period comprehensive income, net of tax	1	0	5
Balance at end of year	1	0	0
Accumulated other comprehensive loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of year	(73)	(19)	(34)
Balance at end of year	$ (115)	$ (73)	$ (19)